<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script src="./js/vue.js"></script>
    <!-- <script src="./js/vue.min.js"></script> -->
    <script>
        Vue.config.devtools=false;

        Vue.config.productionTip=false;

        Vue.config.silent=false;

        window.onload=function(){
            var  vm=new Vue({
                el:"#app",
                data:{
                    msg:"消息"
                }
            });
        }
    </script>
</head>
<body>
    <div id="app">
        <h1>{{msg}}</h1>
        <input type="text" v-model="msg">
        <div>{{aaa}}</div>
    </div>
    <hr />
    <div>{{msg}}</div>
</body>
</body>
</html>